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单选题
A user is reporting a loud grinding sound when the machine is powered on. The machine loadsinto windows and the user does not notice any performance issues. Which of the following is the MOST likely cause of the noise?（）
A
Powersupplyfailure
B
BadHD
C
Badfan
D
FaultyCD-Rom
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更多 “单选题A user is reporting a loud grinding sound when the machine is powered on. The machine loadsinto windows and the user does not notice any performance issues. Which of the following is the MOST likely cause of the noise?（）A PowersupplyfailureB BadHDC BadfanD FaultyCD-Rom” 相关考题
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A user’s laptop does not produce sound even though the volume settings are at maximum in theoperating system. Which of the following would MOST likely resolve this issue?()
A. A new sound cardB. A new speakerC. A BIOS updateD. A hardware volume control
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Windows XP mode on a Windows 7 Professional machine fails to load. Which of the following isMOST likely the cause?()
A. The machine does not have enough processor cores to allow for this feature.B. Virtualization support is not enabled in the BIOS.C. A license of Windows XP must be purchased in order to use Windows XP Mode.D. The machine does not have enough RAM to allow for this feature.
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A user cannot ping any other hostnames from an AIX machine. The error received is "host name earth NOT FOUND". Which of the following files is most likely configured incorrectly？（）A、/etc/resolv.confB、/etc/rc.tcpipC、/etc/aliasesD、/etc/hosts.equiv
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A user reports that the Windows update function will not run on the computer but the Internet can be accessed. The user is running an original version of Windows XP Professional. Which of the following is MOST likely the cause？（）A、The user has not registered the copy of Windows.B、The user has not applied at least Service Pack 1 to their system.C、The user does not know what site to access for the updates.D、The user needs to flush the DNS cache.
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A user’s laptop does not produce sound even though the volume settings are at maximum in theoperating system. Which of the following would MOST likely resolve this issue?（）A、A new sound cardB、A new speakerC、A BIOS updateD、A hardware volume control
考题
An administrator installs new IDE drives into the company server. Upon starting the machine， the BIOS does not recognize any of the drives. Which of the following is the MOST likely cause of the problem？（）A、The jumpers are not set correctly on the drives.B、The power supply is not rated high enough to support the additional drives.C、The BIOS is not compatible with the drives.D、The drives are not powered on.
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When a user is typing on a laptop the cursor sometimes moves on its own. Which of the following is MOST likely the cause？（）A、The keyboard driver needs to be updated.B、There are conflicting serial ports.C、The mouse driver needs to be updated.D、The user is brushing the touch pad while typing.
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A user explains that after the office was vacuumed the previous night their sound is not working and they cannot get onto the network. The user has verified that all of the PC’s cables are plugged into their respective ports. Which of the following is the MOST likely cause?（）A、Frayed or broken cablesB、UPS is unpluggedC、NIC and sound card are disabled in Device ManagerD、Speakers are muted
考题
Which of the following types of media would MOST likely cause above normal amounts of machine jamming？（）A、EnvelopesB、Colored mediaC、LetterheadD、Pre punched
考题
A user reports that they are unable to open any audio files. Yesterday, the user uninstalled third party music software. Which of the following is the MOST likely cause of the user’s error?（）A、The file associations were not returned after the software was uninstalled.B、The user is not opening the files correctly.C、The uninstalled software has corrupted all the audio files on the computer.D、The sound card is not properly configured.
考题
A user is reporting a loud grinding sound when the machine is powered on. The machine loadsinto windows and the user does not notice any performance issues. Which of the following is the MOST likely cause of the noise?（）A、PowersupplyfailureB、BadHDC、BadfanD、FaultyCD-Rom
考题
A user has recently added a second IDE CD-RW drive to a machine in addition to the primary DVD-ROM drive. The drive opens and closes; however, they do not see it show up in Windows. Which of the following is the MOST likely cause?（）A、The drive jumper settings are incorrect.B、The drive is not receiving power from PSU.C、Windows only supports one optical drive.D、The user connected the drive with a SATA cable.
考题
Windows XP mode on a Windows 7 Professional machine fails to load. Which of the following isMOST likely the cause?（）A、The machine does not have enough processor cores to allow for this feature.B、Virtualization support is not enabled in the BIOS.C、A license of Windows XP must be purchased in order to use Windows XP Mode.D、The machine does not have enough RAM to allow for this feature.
考题
单选题A user’s laptop does not produce sound even though the volume settings are at maximum in theoperating system. Which of the following would MOST likely resolve this issue?（）A
A new sound cardB
A new speakerC
A BIOS updateD
A hardware volume control
考题
单选题A user reports that they are unable to open any audio files. Yesterday, the user uninstalled third party music software. Which of the following is the MOST likely cause of the user’s error?（）A
The file associations were not returned after the software was uninstalled.B
The user is not opening the files correctly.C
The uninstalled software has corrupted all the audio files on the computer.D
The sound card is not properly configured.
考题
单选题A user states that whenever they try to launch a certain installed application, they hear unusual whirring/clicking sounds from their machine and the application never loads. Which of the following components would a technician MOST likely need to replace?（）A
Hard Disk DriveB
Optical DriveC
Power Supply UnitD
Case Fan
考题
单选题A user reports that the Windows update function will not run on the computer but the Internet can be accessed. The user is running an original version of Windows XP Professional. Which of the following is MOST likely the cause？（）A
The user has not registered the copy of Windows.B
The user has not applied at least Service Pack 1 to their system.C
The user does not know what site to access for the updates.D
The user needs to flush the DNS cache.
考题
单选题A user has recently added a second IDE CD-RW drive to a machine in addition to the primary DVD-ROM drive. The drive opens and closes; however, they do not see it show up in Windows. Which of the following is the MOST likely cause?（）A
The drive jumper settings are incorrect.B
The drive is not receiving power from PSU.C
Windows only supports one optical drive.D
The user connected the drive with a SATA cable.
考题
单选题Windows XP mode on a Windows 7 Professional machine fails to load. Which of the following isMOST likely the cause?（）A
The machine does not have enough processor cores to allow for this feature.B
Virtualization support is not enabled in the BIOS.C
A license of Windows XP must be purchased in order to use Windows XP Mode.D
The machine does not have enough RAM to allow for this feature.
考题
单选题The user turns on the computer and hears a popping sound and detects a burning smell. Thesystem will not power on. Which of the following is the MOST likely problem?（）A
Power supply has blown.B
CPU fan is faulty.C
Motherboard has overheated and shutdown.D
UPS has been tripped.
考题
单选题An administrator installs new IDE drives into the company server. Upon starting the machine， the BIOS does not recognize any of the drives. Which of the following is the MOST likely cause of the problem？（）A
The jumpers are not set correctly on the drives.B
The power supply is not rated high enough to support the additional drives.C
The BIOS is not compatible with the drives.D
The drives are not powered on.
考题
单选题A user cannot ping any other hostnames from an AIX machine. The error received is "host name earth NOT FOUND". Which of the following files is most likely configured incorrectly？（）A
/etc/resolv.confB
/etc/rc.tcpipC
/etc/aliasesD
/etc/hosts.equiv
考题
单选题Which of the following types of media would MOST likely cause above normal amounts of machine jamming？（）A
EnvelopesB
Colored mediaC
LetterheadD
Pre punched
考题
单选题If a user attempts to go to a website and notices the URL has changed， which of the following attacks is MOST likely the cause？（）A
DLL injectionB
DDoS attackC
DNS poisoningD
ARP poisoning
考题
单选题When a user is typing on a laptop the cursor sometimes moves on its own. Which of the following is MOST likely the cause？（）A
The keyboard driver needs to be updated.B
There are conflicting serial ports.C
The mouse driver needs to be updated.D
The user is brushing the touch pad while typing.
考题
单选题Which of the following cable types can cause interference on the network when disconnecting any one machine？（）A
CoaxialB
Cat 1 UTPC
Cat 3 UTPD
Cat 5 UTP
考题
单选题A user explains that after the office was vacuumed the previous night their sound is not working and they cannot get onto the network. The user has verified that all of the PC’s cables are plugged into their respective ports. Which of the following is the MOST likely cause?（）A
Frayed or broken cablesB
UPS is unpluggedC
NIC and sound card are disabled in Device ManagerD
Speakers are muted
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